The application must be configured to block and quarantine malicious code upon detection, then send an immediate alert to appropriate individuals.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-221266	SRG-APP-000279	EX16-ED-000750	SV-221266r961197_rule	2024-12-06	2

Description
Malicious code protection mechanisms include, but are not limited, to anti-virus and malware detection software. In order to minimize potential negative impact to the organization that can be caused by malicious code, it is imperative that malicious code is identified and eradicated. Applications providing this capability must be able to perform actions in response to detected malware. Responses include blocking, quarantining, deleting, and alerting. Other technology- or organization-specific responses may also be employed to satisfy this requirement. Malicious code includes viruses, worms, trojan horses, and spyware. This requirement applies to applications providing malicious code protection.

Description

Malicious code protection mechanisms include, but are not limited, to anti-virus and malware detection software. In order to minimize potential negative impact to the organization that can be caused by malicious code, it is imperative that malicious code is identified and eradicated. Applications providing this capability must be able to perform actions in response to detected malware. Responses include blocking, quarantining, deleting, and alerting. Other technology- or organization-specific responses may also be employed to satisfy this requirement. Malicious code includes viruses, worms, trojan horses, and spyware. This requirement applies to applications providing malicious code protection.

ℹ️ Check
Open the Exchange Management Shell and enter the following command: Get-TransportAgent "Malware Agent" If the value of "Enabled" is set to "True", this is a finding.

✔️ Fix
Open the Exchange Management Shell and enter the following command: & env:ExchangeInstallPath\Scripts\Disable-Antimalwarescanning.ps1